Clean and stable brown soil the nutritions are more than black soil which can bring the pH and KH level down

Clean and stable brown soil the nutritions are more than black soil which can bring the pH and KH level down

Clean and stable black soil contains organic acids and multi-nutrient fertilizer which can bring the pH and KH level down

Clean and stable black soil contains organic acids and multi-nutrient fertilizer which can bring the pH and KH level down

Clean and stable black soil contains organic acids and multi-nutrient fertilizer which can bring the pH and KH level down

Clean and stable black soil contains organic acids and multi-nutrient fertilizer which can bring the pH and KH level down

Clean and stable black soil contains organic acids and multi-nutrient fertilizer which can bring the pH and KH level down

Clean and stable black soil contains organic acids and multi-nutrient fertilizer which can bring the pH and KH level down.

Clean and stable black soil contains organic acids and multi-nutrient fertilizer which can bring the pH and KH level down

Clean and stable black soil contains organic acids and multi-nutrient fertilizer which can bring the pH and KH level down.

Clean and stable black soil contains organic acids and multi-nutrient fertilizer which can bring the pH and KH level down

Nitrite Degradation Material

Nitrite Degradation Material

Decomposition the nitrite molecule

Massive bacteria growing space